3rd Party: Hubspot connection syncs are failing with error "Your HubSpot source is not responding at this time. We'll retry the sync later"

Update timeline

1. identified May 01, 2026, 01:10 AM UTC

   The issue has been identified and we are working to resolve it.

2. monitoring May 01, 2026, 03:16 AM UTC

   We have identified that the issue is related to the events endpoint and have reached out to HubSpot support for more details on the failure. The failure rate is decreasing without any changes on the Fivetran side, and we are monitoring the syncs.

3. resolved May 01, 2026, 04:03 AM UTC

   Instance rates have returned to normal levels, and affected connections are now syncing successfully. Incident Summary Description: We identified an issue impacting HubSpot connections, where syncs started failing with the error "Your HubSpot source is not responding at this time. We'll retry the sync later." Timeline: The issue began on May 1, 2026 at 00:10 UTC and was resolved on May 1, 2026 at 03:30 UTC Cause: The failures were caused by intermittent 502/504 errors returned by the HubSpot events API endpoint, which led to sync disruptions. Resolution: The issue resolved automatically without any intervention from the Fivetran side.